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Spatially non-uniform ground state and quantized vortices in a two-component Bose-Einstein condensate of magnons

A gas of magnons in magnetic films differs from all other known systems demonstrating Bose-Einstein condensation (BEC), since it possesses two energetically degenerate lowest-energy quantum states with non-zero wave vectors ±k(BEC). Therefore, BEC in this system results in a spontaneously formed two...

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Hlavní autoři: Nowik-Boltyk, P., Dzyapko, O., Demidov, V. E., Berloff, N. G., Demokritov, S. O.
Médium: Artigo
Jazyk:Inglês
Vydáno: Nature Publishing Group 2012
Témata:
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC3386517/
https://ncbi.nlm.nih.gov/pubmed/22761990
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep00482
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